Portable light source



FIG. 1 is a front elevational view of a portable light source, as attached to a head strap, according to the present invention.

FIG. 2 is a front elevational view of the portable sight source.

FIG. 3 is a rear elevational view of the portable light source.

FIG. 4 is a right side elevational view of the portable light source.

FIG. 5 is a left side elevational view of the portable light source.

FIG. 6 is a top plan view of the portable light source; and,

FIG. 7 is a bottom plan view of the portable light source.

The portions shown in broken lines are solely for the purpose of illustrating context and form no part of the claimed design. 

The ornamental design for a portable light source, as shown and described. 